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https://issues.apache.org/jira/browse/CURATOR-408?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15998178#comment-15998178
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Jordan Zimmerman commented on CURATOR-408:
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Yes, that's what we've done before with other such features.
> Handle graceful close of ZookKeeper client waiting for all resources to be
> released
> -----------------------------------------------------------------------------------
>
> Key: CURATOR-408
> URL: https://issues.apache.org/jira/browse/CURATOR-408
> Project: Apache Curator
> Issue Type: Improvement
> Components: Client
> Affects Versions: 3.4.0
> Reporter: Enrico Olivelli
> Assignee: Enrico Olivelli
>
> Ths idea is to leverage the new ZooKeeper#close(timeoutMs) method introduced
> with ZOOKEEPER-2697.
> This new method waits for the internal threads to finish, this way the client
> is sure that all internal resources handled but low-level ZooKeeper client
> have been released.
> This is very useful in tests because the user can wait for the test
> environment to be cleared.
> In some cases you want to return from the 'close' method as soon as
> possibile. In ZooKeeper a new specific method as been added in order to let
> the user ask for a specific behaviour.
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